<https://www.iphonehellas.gr/google-sync-beta-over-the-air-sync-for-gmail-contacts-google-calendar/#webpage>
<http://schema.org/dateModified>
"2009-02-09T20:54:36+00:00"^^<http://schema.org/Date>
<https://www.iphonehellas.gr/google-sync-beta-over-the-air-sync-for-gmail-contacts-google-calendar/>